diff --git a/pyproject.toml b/pyproject.toml
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,6 +17,7 @@ WTForms="^3.0.1"
 WeasyPrint="52.5"
 djhtml = "^1.4.11"
 Flask-Babel = "^2.0.0"
+requests = "^2.27.1"
 
 [tool.poetry.dev-dependencies]
 black = "^21.12b0"